yes but ask yourself 2 questions
1. how mechanically inclined are you
2. whats your intended use of the bike
if you have an sp2 especially, the swingarm is a highly engineered piece that really handles high performance riding such as track day use. if you have an SP1 id do the sp2 swinger swap. it looks good and is very functional. the SSS is going to give you LESS performance.
it is also pretty labor intensive. im not sure all the ins and outs on the RC but for my VTR, it requires custom fabbed suspension linkage, a new shock, a custom exhaust header, drilling the frame, and a host of other modification to get it all to work. also keep in mind its a different length so that changes handling.
its really just for looks and if you love the look that much and dont do track days, go for it. just keep in mind only HALF of it looks cool. the other side looks like poo. just my 2 cents.
2004 Hayden SP2: Ohlins Shock, Racetek Fork Internals, OZ Piega Rims, Magura Radial MC, Radial Brake Brackets, Brembo Monoblocks, Brembo Underslung Rear Brake, GPR High Mounts, Woodcraft Rearsets, PC3 USB, Dynojet Quikshifter, Hotbodies Undertail, 520 Chain, SS Lines, Pinch Bolt Res Mount, Keyless Gas Cap & Ignition, Flapper Valve & Soft Rev Eliminated, Rizoma Bar End Mirror.